minor Query changes (remove attributes for now)
update documentation
add findAll(String) method
Merge pull request #938 from dennishendriksen/feature/studydefinitionservice

Minor Query and DataService interface updates + small changes/fixes
fix tests, fix bug in StudyDataRequestDecorator
fix generated services
Merge branch 'master' of https://github.com/molgenis/molgenis into feature/studydefinitionservice
#2216
TestNG
Merge branch 'master' of github.com:molgenis/molgenis
fixing tests in omx-core
Merge pull request #939 from dennishendriksen/feature/studydefinitionservice

Fix generated service classes, fix tests in StudyDataRequestDecorator, fix small bug
Test fix
Fix Tests
Merge pull request #942 from erwinwinder/master

Fix test
Merge pull request #940 from RoanKanninga/master

fixing tests in omx-core
Merge pull request #941 from dennishendriksen/feature/studydefinitionservice

Fix tests due to data API changes
add test
fix test
Fixed unit test for das module after merge of data-api
Merge pull request #943 from bartcharbon/master

Fixed unit test for das module after merge of data-api